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Assertion (A) : Smooth muscle has a non-striated pattern.

Reason (R) : It is made up of thick and thin filaments that are well organised into sarcomeres.

Option: 1

Both A and R are true and R is the correct explanation of A.


Option: 2

Both A and R are true but R is not the correct explanation of A.


Option: 3

A is true but R is false.

 


Option: 4

A is false but R is true.


Answers (1)

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Smooth muscle has a non-striated pattern because it lacks striations. Hence assertion is true. But Reason (R) is false. Although smooth muscle has thick and thin filaments, unlike striated muscles, they are not arranged into sarcomeres. Instead, they are arranged in a crisscross pattern that enables smooth muscle to contract more powerfully and create force across a larger range of lengths than striated muscle. Hence, option 3 is the correct answer.

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